components#ProductQuantityAdder JavaScript Examples

The following examples show how to use components#ProductQuantityAdder. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: index.js    From gatsby-shopify-course with BSD Zero Clause License 4 votes vote down vote up 
export default function ProductTemplate(props) {
  const { getProductById } = React.useContext(CartContext);
  const [product, setProduct] = React.useState(null);
  const [selectedVariant, setSelectedVariant] = React.useState(null);
  const { search, origin, pathname } = useLocation();
  const variantId = queryString.parse(search).variant;

  React.useEffect(() => {
    getProductById(props.data.shopifyProduct.shopifyId).then(result => {
      setProduct(result);
      setSelectedVariant(
        result.variants.find(({ id }) => id === variantId) || result.variants[0]
      );
    });
  }, [
    getProductById,
    setProduct,
    props.data.shopifyProduct.shopifyId,
    variantId,
  ]);

  const handleVariantChange = e => {
    const newVariant = product?.variants.find(v => v.id === e.target.value);
    setSelectedVariant(newVariant);
    navigate(
      `${origin}${pathname}?variant=${encodeURIComponent(newVariant.id)}`,
      {
        replace: true,
      }
    );
  };

  return (
    <Layout>
      <SEO
        description={props.data.shopifyProduct.description}
        title={props.data.shopifyProduct.title}
      />
      <Button onClick={() => navigate(-1)}>Back to products</Button>
      <Grid>
        <div>
          <h1>{props.data.shopifyProduct.title}</h1>
          <p>{props.data.shopifyProduct.description}</p>
          {product?.availableForSale && !!selectedVariant && (
            <>
              {product?.variants.length > 1 && (
                <SelectWrapper>
                  <strong>Variant</strong>
                  <select
                    value={selectedVariant.id}
                    onChange={handleVariantChange}
                  >
                    {product?.variants.map(v => (
                      <option key={v.id} value={v.id}>
                        {v.title}
                      </option>
                    ))}
                  </select>
                </SelectWrapper>
              )}
              {!!selectedVariant && (
                <>
                  <Price>£{selectedVariant.price}</Price>
                  <ProductQuantityAdder
                    available={selectedVariant.available}
                    variantId={selectedVariant.id}
                  />
                </>
              )}
            </>
          )}
        </div>
        <div>
          <ImageGallery
            selectedVariantImageId={selectedVariant?.image.id}
            images={props.data.shopifyProduct.images}
          />
        </div>
      </Grid>
    </Layout>
  );
}